package com.li.springboard.config;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class MyHandle implements HandlerInterceptor {
    /**
     * 配置拦截器，用于身份认证、身份授权
     * @param request
     * @param response
     * @param handler
     * @return
     * @throws Exception
     */


    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        Object loginUser=request.getSession().getAttribute("loginUser");
        if (loginUser == null) {
            request.setAttribute("msg","没有权限，请先登录");
            request.getRequestDispatcher("/index.html").forward(request,response);
            return false;
        }else {
            return true;
        }
    }
}
